34388999 has 2 divisors, whose sum is σ = 34389000. Its totient is φ = 34388998.

The previous prime is 34388987. The next prime is 34389049. The reversal of 34388999 is 99988343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34388999 - 2⁸ = 34388743 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34388999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34388929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17194499 + 17194500.

It is an arithmetic number, because the mean of its divisors is an integer number (17194500).

Almost surely, 2^34388999 is an apocalyptic number.

34388999 is a deficient number, since it is larger than the sum of its proper divisors (1).

34388999 is an equidigital number, since it uses as much as digits as its factorization.

34388999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 34388999 is about 5864.2134169895. The cubic root of 34388999 is about 325.1919938551.

The spelling of 34388999 in words is "thirty-four million, three hundred eighty-eight thousand, nine hundred ninety-nine".